10012212020 has 24 divisors (see below), whose sum is σ = 21514615584. Its totient is φ = 3911747616.

The previous prime is 10012212017. The next prime is 10012212029. The reversal of 10012212020 is 2021221001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10012211992 and 10012212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012212029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5820194 + ... + 5821913.

It is an arithmetic number, because the mean of its divisors is an integer number (896442316).

Almost surely, 2^10012212020 is an apocalyptic number.

10012212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012212020 is an abundant number, since it is smaller than the sum of its proper divisors (11502403564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10012212020 is a wasteful number, since it uses less digits than its factorization.

10012212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11642159 (or 11642157 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10012212020 its reverse (2021221001), we get a palindrome (12033433021).

The spelling of 10012212020 in words is "ten billion, twelve million, two hundred twelve thousand, twenty".